12c8a9ab93649f8c75399b6b96f4c54e7454cd0eaa25090dc53c223788c85222

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:21

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General

Target

bin/colors.cfg
Size

69B
MD5

7ebcbc301ab4fbb3503b041d3fcb2df5
SHA1

756dfe049d5f9fa102c480622a0898cae8012fba
SHA256

58d719fef5af2cabfcc4c2f60dc8d98ad899e94a27fea33245e16ad4f5b400c9
SHA512

4e6796d2cf8e1449d9bdd77736725dd1182066b558b512bfffdafdc7db8628812b7ad2a3bdf582b7e3c1e143bc7ac381c1ae2d422f2e734bfe35b33147631dec

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\cfg_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.cfg\ = "cfg_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\cfg_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\cfg_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\cfg_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.cfg	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\cfg_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\cfg_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2948	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2948	AcroRd32.exe
2948	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2436	2368	cmd.exe	31
PID 2368 wrote to memory of 2436	2368	cmd.exe	31
PID 2368 wrote to memory of 2436	2368	cmd.exe	31
PID 2436 wrote to memory of 2948	2436	rundll32.exe	33
PID 2436 wrote to memory of 2948	2436	rundll32.exe	33
PID 2436 wrote to memory of 2948	2436	rundll32.exe	33
PID 2436 wrote to memory of 2948	2436	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bin\colors.cfg
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bin\colors.cfg
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\bin\colors.cfg"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
36381c5194d56a2758993df92faaa990

SHA1
9bd7dcfee56c4b0c1ebe1fb177156030dba5784d

SHA256
f0116bf08ba86094889db71100fc2fd7c1e18ca75c8db7a58597394a31776579

SHA512
45beca82146ff0de9c7378d5a4193141de0b397d2e9e73054f87391cfa1c2c8f41a4c3e4342e97134a9e662f6de2974848f87166cfd0eef7f11c2a7e217379d7

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